#
# This is a script containing functions that are used as build rules. You can
# use the Simple Little Automator (https://github.com/fboender/sla.git) to run
# these rules, or you can run them directly in your shell:
#
#   $ bash -c ". build.sla && test"
#

PROG="scriptform"

test () {
    # Run tests
    # Runs unit, integration, linting and code quality tests.
    ROOTDIR="$(pwd)"

    # Unit / integration tests
    cd test && /usr/bin/env python3 ./test.py

    # Code quality linting (flake8)
    cd $ROOTDIR
    # E402 == module level import not at top of file
    cd src && flake8 --extend-ignore=E402 *.py || true

    # Code quality linting (pylint)
    cd $ROOTDIR
    cd src && pylint --reports=n -dR -d subprocess-popen-preexec-fn -d invalid-name -d star-args -d no-member *.py || true
    cd $ROOTDIR
}

clean () {
    # Clean the repo of artifacts
    rm -rf $PROG.spec
    rm -rf *.tar.gz
    rm -rf *.zip
    rm -rf *.deb
    rm -rf rel_deb
    rm -rf rel_bin
    rm -rf scriptform-*
    rm -rf doc/manual.html
    rm -rf doc/MANUAL.html
    rm -rf examples/megacorp_acc/megacorp.db
    rm -rf examples/megacorp_acc/.coverage
    rm -rf examples/megacorp_acc/htmlcov
    find ./ -name "*.log" -delete
    find ./ -name "*.pyc" -delete
    rm -f test/data.csv
    rm -f test/data.raw
    rm -f test/.coverage
    rm -rf test/htmlcov
    rm -rf dist/
    rm -rf build
}

doc () {
    # Generate documentation
    cat doc/header.html > doc/MANUAL.html
    markdown_py doc/MANUAL.md >> doc/MANUAL.html
    cat doc/footer.html >> doc/MANUAL.html

    cat doc/header.html > README.html
    markdown_py README.md >> README.html
    cat doc/footer.html >> README.html
    T_DOC_BUILT=1
}

_release_check() {
    # Verify and prepare for release

    # Only run this rule once
    if [ -z "$RELEASE_CHECK_DONE" ]; then
        RELEASE_CHECK_DONE=1

        # Prepare project for release
        clean
        doc

        # Check that REL_VERSION is set
        if [ ! -z "$1" ]; then
            REL_VERSION="$1"
            shift
        else
            echo "REL_VERSION not set. Aborting" >&2
            exit 1
        fi
    fi
}

release_src () {
    # Build source (tar.gz) release
    # Usage: sla release_src <version>
    #
    # Example:
    #   sla release_src 9.99
    _release_check "$*"

    # Prepare source
    rm -rf "$PROG-$REL_VERSION"
    mkdir "$PROG-$REL_VERSION"
    cp src/*.py "$PROG-$REL_VERSION/"
    mv "$PROG-$REL_VERSION/scriptform.py" "$PROG-$REL_VERSION/$PROG"
    cp LICENSE "$PROG-$REL_VERSION/"
    cp README.md "$PROG-$REL_VERSION/"
    cp contrib/release_Makefile "$PROG-$REL_VERSION/Makefile"
    cp doc/MANUAL.html "$PROG-$REL_VERSION/MANUAL.html"

    # Bump version numbers
    find "$PROG-$REL_VERSION/" -type f -print0 | xargs -0 sed -i "s/%%VERSION%%/$REL_VERSION/g"

    # Create archives
    zip -q -r "$PROG-$REL_VERSION.zip" "$PROG-$REL_VERSION"
    tar -czf "$PROG-$REL_VERSION.tar.gz" "$PROG-$REL_VERSION"
}

release_deb () {
    # Build deb release
    # Usage: sla release_deb <version>
    #
    # Example:
    #   sla release_deb 9.99
    _release_check "$*"

    if [ -z "$RELEASE_DEB_DONE" ]; then
        mkdir -p "rel_deb/usr/bin"
        mkdir -p "rel_deb/usr/lib/$PROG"
        mkdir -p "rel_deb/usr/share/doc/$PROG"
        mkdir -p "rel_deb/usr/share/man/man1"

        # Copy the source to the release directory structure.
        cp LICENSE "rel_deb/usr/share/doc/$PROG"
        cp README.md "rel_deb/usr/share/doc/$PROG"
        cp doc/MANUAL.md "rel_deb/usr/share/doc/$PROG"
        cp README.html "rel_deb/usr/share/doc/$PROG"
        cp doc/MANUAL.html "rel_deb/usr/share/doc/$PROG"
        cp -ar examples "rel_deb/usr/share/doc/$PROG"
        cp src/*.py "rel_deb/usr/lib/$PROG/"
        ln -s "/usr/lib/$PROG/scriptform.py" "rel_deb/usr/bin/$PROG"

        cp contrib/scriptform.init.d_debian "rel_deb/usr/share/doc/$PROG"
        cp contrib/scriptform.init.d_redhat "rel_deb/usr/share/doc/$PROG"
        cp contrib/scriptform.service "rel_deb/usr/share/doc/$PROG"
        cp -ar contrib/debian/DEBIAN "rel_deb/"

        # Bump version numbers
        find rel_deb/ -type f -print0 | xargs -0 sed -i "s/%%VERSION%%/$REL_VERSION/g"

        # Create debian pacakge
        fakeroot dpkg-deb --build rel_deb > /dev/null
        mv rel_deb.deb "$PROG-$REL_VERSION.deb"

        # Cleanup
        rm -rf rel_deb
        rm -rf "$PROG-$REL_VERSION"

        RELEASE_DEB_DONE=1
    fi
}

release_rpm () {
    # Build rpm release
    # Usage: sla release_rpm <version>
    #
    # Example:
    #   sla release_rpm 9.99
    _release_check "$*"
    release_deb

    alien -r -g -v scriptform-$REL_VERSION.deb
    sed -i 's#%dir "/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/bin/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/lib/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/share/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/share/doc/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/share/man/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    sed -i 's#%dir "/usr/share/man/man1/"##' scriptform-$REL_VERSION/scriptform-$REL_VERSION-2.spec
    pushd .
    cd scriptform-$REL_VERSION/
    FULLPATH="$(pwd)"
    rpmbuild --quiet --target=noarch --buildroot "$FULLPATH" -bb scriptform-$REL_VERSION-2.spec
    popd
}

release_bin () {
    # Build standalone binary release
    # Usage: sla release_bin <version>
    #
    # Example:
    #   sla release_bin 9.99
    _release_check "$*"

    rm -rf dist/scriptform/

    # Create copy and bump version numbers
    cp -ar src/ rel_bin/
    find rel_bin/ -type f -print0 | xargs -0 sed -i "s/%%VERSION%%/$REL_VERSION/g"

    # Generate binary
    pyinstaller --strip --onefile rel_bin/scriptform.py

    # Generate tarball
    mv dist $PROG-$REL_VERSION-bin64
    cp contrib/scriptform.service $PROG-$REL_VERSION-bin64
    tar -czf $PROG-$REL_VERSION-bin64.tar.gz $PROG-$REL_VERSION-bin64

    # Cleanup
    rm -rf $PROG-$REL_VERSION-bin64
    rm -rf $PROG.spec
    rm -rf build
    rm -rf rel_bin
}

release () {
    # Build all releases
    # Usage: sla release <version>
    #
    # Builds the debian, rpm packages, source release and standalone binary.
    #
    # Example:
    #   sla release 9.99
    _release_check "$*"
    release_src
    release_deb
    release_rpm
    release_bin
}